Home / 12,211.66-16,852.74-7,733.78

Finding the Fourth Proportional to 12,211.66, 16,852.74 and 7,733.78

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Solution

The fourth proportional to 12,211.66, 16,852.74 and 7,733.78 is: 10,673.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,211.66 : 16,852.74 = 7,733.78 : x
  2. Step 2: Convert to fraction form
    12,211.66/16,852.74 = 7,733.78/x
  3. Step 3: Cross multiply
    12,211.66x = 16,852.74 × 7,733.78
  4. Step 4: Simplify right side
    12,211.66x = 130,335,299.29
  5. Step 5: Solve for x
    x = 130,335,299.29/12,211.66
  6. Step 6: Final answer
    x = 10,673.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.